Year	% of GDP
1972	3.9817754566508414
1973	3.895092358639373
1974	1.076289374765884
1975	1.89548311135527
1976	3.80577194096954
1977	3.6198264515818694
1978	3.888365330023124
1979	3.7079979431540027
1980	3.7222143748055805
1981	3.752584256544288
1982	6.3014440157325105
1983	4.467805766088775
1984	3.5599703786215207
1985	5.2002838417732
1986	4.49101235087899
1987	2.168606697487153
1988	-0.057314893927788366
1989	-1.046100331309808
1990	-1.2148593433285368
1991	-2.557492329630019
1992	-0.9783765854754486
1993	-1.3508196600750255
1994	-1.2248820169743757
1995	-0.7419360804473809
1996	-0.25994889841857594
1997	0.0988257673061858
1998	5.396365839117415
1999	9.105737870227436
2000	2.8766504530732844
2001	3.246637372004234
2002	6.721082373788863
2003	0.265426366527773
2004	2.965843202792179
2005	0.4652584217789137
2006	2.214786916353199
2007	1.572267821439593
2008	0.6332295208917259
2009	4.90624524067348
2010	2.3330460499928525
2011	2.996205131492205
2012	2.9351725557162696
2013	2.0189893617818693
2014	1.4759525669495952
2015	1.2342829977343948
2016	2.496747133211179
2017	2.613309981143887
2018	2.7188566040063047
2019	0.8928552165648658
2020	6.122253855565477
2021	8.846599376353598
2022	4.7031386674009035